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CONTENTS xiii
Chapter X
EXISTENCE THEOREMS ....................264
1. The method of successive approximations. 2. Implicit functions. 3. The rank
theorem. 4. Differential equations. 5. Comparison of solutions of differential equations. 6. Linear differential equations. 7. Dependence of the solution on parameters. 8. Dependence of the solution on initial conditions. 9. The theorem of Frobenius.
Chapter XI
ELEMENTARY SPECTRAL THEORY................312
1. Spectrum of a continuous operator. 2. Compact operators. 3. The theory of
F. Riesz. 4. Spectrum of a compact operator. 5. Compact operators in Hilbert spaces. 6. The Fredholm integral equation. 7. The Sturm-Liouville problem.
Appendix
ELEMENTS OF LINEAR ALGEBRA.................358
1. Vector spaces. 2. Linear mappings. 3. Direct sums of subspaces. 4. Bases.
Dimension and codimension. 5. Matrices. 6. Multilinear mappings. Determi- nants. 7. Minors of a determinant.
References.............................380
Index...............................381
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